Home / 22,009.16-30,372.05-12,577.71

Finding the Fourth Proportional to 22,009.16, 30,372.05 and 12,577.71

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Solution

The fourth proportional to 22,009.16, 30,372.05 and 12,577.71 is: 17,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.16 : 30,372.05 = 12,577.71 : x
  2. Step 2: Convert to fraction form
    22,009.16/30,372.05 = 12,577.71/x
  3. Step 3: Cross multiply
    22,009.16x = 30,372.05 × 12,577.71
  4. Step 4: Simplify right side
    22,009.16x = 382,010,774.12
  5. Step 5: Solve for x
    x = 382,010,774.12/22,009.16
  6. Step 6: Final answer
    x = 17,356.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.